000 00339cam a22001577a 4500
008 210121b0 xxu||||| |||| 00| 0 eng d
082 _a333.7924 IGN
100 _aIGNOU
245 _aPRACTICAL ASPECTS OF ENVIRONMENT
260 _a
_bIGNOU
_c0
490 _a
690 _aFMS
690 _aFET
690 _aENVIRONMENT
906 _a104452
999 _c23544
_d23544